css3实现垂直下拉动画菜单示例_css3_CSS_网页制作--HTML5中文学习网

点评：这篇文章主要介绍了css3实现垂直下拉动画菜单示例,需要的朋友可以参考下

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代码如下:

<nav>
<ul class="mcd-menu">
<li>
<a href="">

Home
sweet home
</a>
</li>
<li>
<a href="" class="active">

About us
sweet home
</a>
</li>
<li>
<a href="">

Features
sweet home
</a>
</li>
<li>
<a href="">

News
sweet home
</a>
</li>
<li>
<a href="">

Blog
what they say
</a>
<ul>
<li><a href="#">Mission</a></li>
<li>
<a href="#">Our Team</a>
<ul>
<li><a href="#">Leyla Sparks</a></li>
<li>
<a href="#">Gleb Ismailov</a>
<ul>
<li><a href="#">About</a></li>
<li><a href="#">Skills</a></li>
</ul>
</li>
<li><a href="#">Viktoria Gibbers</a></li>
</ul>
</li>
<li><a href="#">Rewards</a></li>
<li><a href="#">Certificates</a></li>
</ul>
</li>
<li>
<a href="">

Portfolio
sweet home
</a>
</li>
<li>
<a href="">

Contacts
drop a line
</a>
</li>
<li class="float">
<a class="search">
<input type="text" value="search ...">
<button></button>
</a>
<a href="" class="search-mobile">

</a>
</li>
</ul>
</nav>

这里用ul构造了菜单的基本结构。

接下来就利用CSS3代码来实现菜单的下拉和动画效果。

CSS代码比较繁琐，这里我只是提供一些核心的CSS代码，完整的代码大家可以在文章最后下载学习。

这是鼠标滑过菜单项时的动画代码：

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代码如下:

.mcd-menu li a i, .mcd-menu li a strong, .mcd-menu li a small {
position: relative;

transition: all 300ms linear;
-o-transition: all 300ms linear;
-ms-transition: all 300ms linear;
-moz-transition: all 300ms linear;
-webkit-transition: all 300ms linear;
}
.mcd-menu li:hover > a i {
opacity: 1;
-webkit-animation: moveFromTop 300ms ease-in-out;
-moz-animation: moveFromTop 300ms ease-in-out;
-ms-animation: moveFromTop 300ms ease-in-out;
-o-animation: moveFromTop 300ms ease-in-out;
animation: moveFromTop 300ms ease-in-out;
}
.mcd-menu li:hover a strong {
opacity: 1;
-webkit-animation: moveFromLeft 300ms ease-in-out;
-moz-animation: moveFromLeft 300ms ease-in-out;
-ms-animation: moveFromLeft 300ms ease-in-out;
-o-animation: moveFromLeft 300ms ease-in-out;
animation: moveFromLeft 300ms ease-in-out;
}
.mcd-menu li:hover a small {
opacity: 1;
-webkit-animation: moveFromRight 300ms ease-in-out;
-moz-animation: moveFromRight 300ms ease-in-out;
-ms-animation: moveFromRight 300ms ease-in-out;
-o-animation: moveFromRight 300ms ease-in-out;
animation: moveFromRight 300ms ease-in-out;
}.mcd-menu li:hover > a {
color: #e67e22;
}

以下定义了鼠标滑过后文字图标滑过的动画，分别是从顶部划入，从左侧划入，从右侧划入：

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代码如下:

@-webkit-keyframes moveFromTop {
from {
opacity: 0;
-webkit-transform: translateY(200%);
-moz-transform: translateY(200%);
-ms-transform: translateY(200%);
-o-transform: translateY(200%);
transform: translateY(200%);
}
to {
opacity: 1;
-webkit-transform: translateY(0%);
-moz-transform: translateY(0%);
-ms-transform: translateY(0%);
-o-transform: translateY(0%);
transform: translateY(0%);
}
}
@-webkit-keyframes moveFromLeft {
from {
opacity: 0;
-webkit-transform: translateX(200%);
-moz-transform: translateX(200%);
-ms-transform: translateX(200%);
-o-transform: translateX(200%);
transform: translateX(200%);
}
to {
opacity: 1;
-webkit-transform: translateX(0%);
-moz-transform: translateX(0%);
-ms-transform: translateX(0%);
-o-transform: translateX(0%);
transform: translateX(0%);
}
}
@-webkit-keyframes moveFromRight {
from {
opacity: 0;
-webkit-transform: translateX(-200%);
-moz-transform: translateX(-200%);
-ms-transform: translateX(-200%);
-o-transform: translateX(-200%);
transform: translateX(-200%);
}
to {
opacity: 1;
-webkit-transform: translateX(0%);
-moz-transform: translateX(0%);
-ms-transform: translateX(0%);
-o-transform: translateX(0%);
transform: translateX(0%);
}
}